Gnawt-a-Rock™

$12.5 ~~$24.99~~ In stock

Category: Toys

The Gnawt-a-Rock™ is a durable toy inspired by natural volcanic obsidian formed by rapidly cooling lava from Pacific Northwest volcanoes.

Made with natural latex rubber and a faceted surface with an irregular shape, this interactive toy keeps your dog engaged, whether chasing after its erratic bounce or nosing it around as an interactive slow feeder puzzle toy to stimulate their mind.

Check out the Gnawt-a-Stick™ and Gnawt-a-Cone™ in our Gnawt-a-Toys Collection inspired by the natural surroundings in Ruffwear’s home of Bend, Oregon.

Chew Style: Power

Play Style: Fetch & Puzzle

Size: 4.5 in (11.5 cm) Diameter

Our toys are designed to be interactive – it's just more fun that way. While our toys suit a range of play styles, dogs can be crafty and determined chewers, so supervised play is recommended. If any part of the toy becomes loose or detached, take the toy away and discard.

Customer Reviews (4.8 / 5 · 5 reviews)

Ella H. ★★★★★ Aug 17, 2026

My dog is obsessed with this thing—he’ll pick it up the second I put it down, and the faceted rubber surface gives him just enough grip to really gnaw. Two weeks of daily chewing and it’s still holding its shape, which is way better than the last toy he shredded in a day.

Natalie B. ★★★★★ Aug 16, 2026

The obsidian-inspired texture is a nice touch, and the natural latex rubber has just enough give that my dog actually prefers it to her bones. It’s held up through a week of aggressive chewing without a single tear, which is more than I can say for any other toy we’ve tried.

Lucy X. ★★★★★ Aug 16, 2026

The faceted surface looks like a real piece of obsidian, and the natural latex is surprisingly sturdy—my pup’s been gnawing nonstop for a week and it’s barely dented. He loves the weird texture, and I love that it’s not another squeaky mess.